WO2015154248A1

WO2015154248A1 - Transmission method for system information, base station and user equipment

Info

Publication number: WO2015154248A1
Application number: PCT/CN2014/074978
Authority: WO
Inventors: 李赛楠; 黄煌; 黄磊
Original assignee: 华为技术有限公司
Priority date: 2014-04-09
Filing date: 2014-04-09
Publication date: 2015-10-15
Also published as: CN105814961A; EP3091808A1; EP3294030B1; EP3091808A4; EP3294030A1; EP3091808B1; CN105814961B

Abstract

Disclosed are a transmission method for system information, a base station and a user equipment. The method comprises: a first base station sends system information about the first base station to the user equipment on a frequency point thereof, so that the user equipment accesses the first base station, and then receives identifications of coverage base stations covering the user equipment and access capability information about the user equipment which are sent by the user equipment, with the access capability information being used for indicating target frequency bands allowed to be accessed by the user equipment, and the first base station determines target base stations with frequency points located on the target frequency bands from the coverage base stations and sends system information about the target base stations to the user equipment, so that the user equipment selects system information about one target base station from the system information about the target base stations as system information about a second base station and accesses the second base station. Implementing the embodiments of the present invention enables the system information about the first base station to be sent cyclically and the system information about the second base station to be sent as required, thereby reducing the load of a broadcast channel and reducing the power consumption of the user equipment.

Description

System information transmission method and base station, user equipment

The present invention relates to the field of communications technologies, and in particular, to a method for transmitting system information, a base station, and a user equipment. Background technique

With the rapid development of mobile communication technologies, user equipments have an increasing demand for communication system capacity, data throughput, transmission delay, and transmission reliability. The bandwidth of the traditional microwave band is

Between 300MHZ and 6GHZ, the bandwidth provided is very limited, which cannot meet the requirements of the user equipment for the communication system, and the microwave communication (also called "low frequency communication") has the characteristics of small transmission loss and wide coverage, resulting in low frequency base stations. The distribution is sparse, and the construction cost of the low-frequency base station is relatively high, while the bandwidth of the millimeter wave band is between 30 GHz and 300 GHz, and the millimeter wave communication (also called "high-frequency communication") has the characteristics of large capacity and high data throughput. However, the obstacles have a large loss of millimeter wave communication, resulting in a small coverage of the high frequency base station. In order to cope with the user equipment's demand for communication systems, high-low frequency cooperative networking emerges as the times require. However, in the high-low frequency cooperative networking system architecture, in order to enable user equipment to access high and low frequency networks, both high-frequency networks and low-frequency networks need to be sent. The respective system information (such as the timer, common channel information, cell selection and reselection information, and neighboring cell information required by the user equipment), which occupies more channel resources, and the user equipment needs to simultaneously search for the high frequency network and the low frequency. Network, power consumption is relatively large. Summary of the invention

The embodiment of the invention discloses a method for transmitting system information, a base station and a user equipment, which are used for solving the problem that the channel resources occupied by the existing high and low frequency cooperative networking are large and the power consumption of the user equipment is large.

A first aspect of the embodiment of the present invention discloses a base station, including:

a sending module, configured to send system information of the base station to a user equipment at a frequency point of the base station, to trigger the user equipment to access the base station according to system information of the base station;

a receiving module, configured to receive, by the user equipment, a coverage base station that covers the user equipment The identifier and the access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, and the target frequency band is different from a frequency band in which the frequency point of the base station is located; a module, configured to determine, from the coverage base station, a target base station whose frequency point is located in the target frequency band, based on the target frequency band;

The sending module is further configured to send system information of the target base station to the user equipment, to trigger the user equipment to select system information of one target base station in system information of the target base station as a target access base station. System information, and accessing the target access base station based on system information of the target access base station.

In a first possible implementation manner of the first aspect of the embodiment, the sending module is further configured to send, to the target base station, a request message for requesting the target base station to send system information, to trigger the The target base station responds to the request message;

The receiving module is further configured to receive system information sent by the target base station.

With reference to the first aspect of the embodiments of the present invention, in a second possible implementation manner of the first aspect of the embodiments, the base station stores system information of the target base station;

The receiving module is further configured to receive the updated system information sent by the target base station, where the sending module is further configured to send, to the target base station, a system for feeding back whether the base station receives the updated system. Feedback message for information.

With reference to the first aspect of the embodiments of the present invention or the first possible implementation manner of the first aspect of the embodiments of the present invention or the second possible implementation manner of the first aspect of the embodiments of the present invention, In a third possible implementation manner, when the base station is a high frequency base station, the target access base station is a low frequency base station or a high and low frequency hybrid base station; or

When the base station is a low frequency base station, the target access base station is a high frequency base station or a high and low frequency hybrid base station or

When the base station is a high-low frequency hybrid base station, the target access base station is any one of a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station.

The first possible implementation manner of the first aspect of the embodiment of the present invention or the first possible implementation manner of the first aspect of the embodiment of the present invention or the second possible implementation manner of the first aspect of the embodiment of the present invention or the first aspect of the first aspect of the embodiment of the present invention In a fourth possible implementation manner of the first aspect of the embodiments, the system information includes a primary information block and multiple system information blocks, where The main information block is used to broadcast status information of the base station that sends the system information, and the system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

A second aspect of the embodiments of the present invention discloses a base station, including a memory and a processor, where the memory stores a set of program codes, and the processor is configured to invoke program code stored in the memory, to perform the following operations. :

Sending system information of the base station to a user equipment at a frequency point of the base station, to trigger the user equipment to access the base station according to system information of the base station;

Receiving, by the user equipment, an identifier of the coverage base station that covers the user equipment, and an access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, The target frequency band is different from the frequency band in which the frequency point of the base station is located;

Determining, from the coverage base station, a target base station whose frequency point is located in the target frequency band, based on the target frequency band;

Sending system information of the target base station to the user equipment, to trigger the user equipment to select system information of one of the target base stations in the system information of the target base station as system information of the target access base station, and The system information of the target access base station is based on accessing the target access base station.

In a first possible implementation manner of the second aspect of the embodiments of the present invention, before the processor sends the system information of the target base station to the user equipment, the processor invokes the program code stored in the memory. Also do the following:

Sending, to the target base station, a request message for requesting the target base station to send system information, to trigger the target base station to respond to the request message;

Receiving system information sent by the target base station.

With reference to the second aspect of the embodiments of the present invention, in a second possible implementation manner of the second aspect of the embodiments of the present disclosure, the base station stores system information of the target base station;

The processor invoking the program code stored in the memory further performs the following operations: receiving updated system information sent by the target base station;

And transmitting, to the target base station, a feedback message for feeding back whether the base station receives the updated system information.

A first possible implementation combining the second aspect of the embodiments of the present invention or the second aspect of the embodiments of the present invention A second possible implementation manner of the second aspect of the embodiment of the present invention, in a third possible implementation manner of the second aspect of the embodiment of the present invention, when the base station is a high frequency base station, the target connection The base station is a low frequency base station or a high and low frequency hybrid base station; or

The second possible implementation manner of the second aspect of the embodiment of the present invention or the second possible implementation manner of the second aspect of the embodiment of the present invention or the second possible implementation manner of the second aspect of the embodiment of the present invention In a fourth possible implementation manner of the second aspect of the embodiment of the present invention, the system information structure includes a main information block and a plurality of system information blocks, where the main information block is used for Broadcasting status information of the base station that sends the system information, where the system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

A third aspect of the embodiment of the present invention discloses a user equipment, including:

a receiving module, configured to receive system information of the first base station that is sent by the first base station on a frequency point of the first base station;

An access module, configured to access the first base station by using the system information of the first base station, and a sending module, configured to send, to the first base station, an identifier of the coverage base station that covers the user equipment, and the The access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, and the target frequency band is different from a frequency band in which the frequency point of the first base station is located, so that the Determining, by the first base station, the target base station whose frequency point is located in the target frequency band, and transmitting the system information of the target base station to the user equipment, according to the target frequency band; And receiving system information of the target base station sent by the first base station;

a selection module, configured to select system information of one of the target base stations in the system information of the target base station as system information of the second base station;

The access module is further configured to access the second base station based on system information of the second base station.

In a first possible implementation manner of the third aspect of the embodiment, the first base station is high. When the frequency base station is used, the second base station is a low frequency base station or a high frequency and low frequency hybrid base station; or

When the first base station is a low frequency base station, the second base station is a high frequency base station or a high and low frequency hybrid base station or

When the first base station is a high-low frequency hybrid base station, the second base station is any one of a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station.

With reference to the third aspect of the embodiments of the present invention or the first possible implementation manner of the third aspect of the embodiments of the present invention, in a second possible implementation manner of the third aspect of the embodiments of the present disclosure, the structure of the system information includes a main information block for broadcasting status information of a base station that transmits the system information, and a system information block for broadcasting the user equipment to access the system information for transmitting the system information. The access information required by the base station.

A fourth aspect of the embodiments of the present invention discloses a user equipment, including a memory and a processor, where the memory stores a set of program codes, and the processor is configured to invoke program codes stored in the memory, and is used to execute the following Operation:

Receiving system information of the first base station that is sent by the first base station on a frequency point of the first base station; accessing the first base station according to system information of the first base station;

Sending, to the first base station, an identifier of the coverage base station that covers the user equipment, and access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, The target frequency band is different from the frequency band in which the frequency point of the first base station is located, so that the first base station determines, according to the target frequency band, a target base station whose frequency point is located in the target frequency band from the coverage base station and Sending system information of the target base station to the user equipment;

Receiving system information of the target base station sent by the first base station;

Selecting system information of one of the target base stations in the system information of the target base station as system information of the second base station and accessing the second base station based on system information of the second base station.

In a first possible implementation manner of the fourth aspect of the embodiments of the present disclosure, when the first base station is a high frequency base station, the second base station is a low frequency base station or a high and low frequency hybrid base station; or

When the first base station is a high-low frequency hybrid base station, the second base station is any one of a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station. With reference to the fourth aspect of the embodiments of the present invention or the first possible implementation manner of the fourth aspect of the embodiments of the present invention, in a second possible implementation manner of the fourth aspect of the embodiments of the present disclosure, a main information block for broadcasting status information of a base station that transmits the system information, and a system information block for broadcasting the user equipment to access the system information for transmitting the system information. The access information required by the base station.

A fifth aspect of the embodiments of the present invention discloses a method for transmitting system information, including: the first base station transmitting system information of the first base station to a user equipment at a frequency point of the first base station, to trigger the user The device accesses the first base station according to system information of the first base station;

The first base station receives an identifier of the coverage base station that is sent by the user equipment, and the access capability information of the user equipment, where the access capability information is used to indicate that the user equipment is allowed to access. a target frequency band, the target frequency band being different from a frequency band in which the frequency point of the first base station is located;

Determining, by the first base station, a target base station whose frequency point is located in the target frequency band, based on the target frequency band;

Sending, by the first base station, system information of the target base station to the user equipment, to trigger the user equipment to select system information of one of the target base stations in the system information of the target base station as system information of the second base station, And accessing the second base station according to system information of the second base station.

In a first possible implementation manner of the fifth aspect of the embodiment of the present invention, before the first base station sends the system information of the target base station to the user equipment, the method further includes:

Sending, by the first base station, a request message for requesting the target base station to send system information, to the target base station, to trigger the target base station to respond to the request message;

The first base station receives system information sent by the target base station.

With reference to the fifth aspect of the embodiments of the present invention, in a second possible implementation manner of the fifth aspect, the first base station stores system information of the target base station;

The method further includes:

Receiving, by the first base station, updated system information sent by the target base station;

Sending, by the first base station, the target base station, for feeding back, whether the first base station is received The feedback message of the updated system information.

With reference to the fifth aspect of the embodiments of the present invention or the first possible implementation manner of the fifth aspect of the embodiments of the present invention or the second possible implementation manner of the fifth aspect of the embodiments of the present invention, In a third possible implementation manner, when the first base station is a high frequency base station, the second base station is a low frequency base station or a high frequency and low frequency hybrid base station; or

The first possible implementation manner of the fifth aspect of the embodiment of the present invention or the fifth aspect of the embodiment of the present invention or the second possible implementation manner of the fifth aspect of the embodiment of the present invention or the fifth aspect of the fifth aspect of the embodiment of the present invention In a fourth possible implementation manner of the fifth aspect of the embodiments, the system information includes a primary information block and a plurality of system information blocks, where the primary information block is used. Broadcasting status information of the base station that sends the system information, where the system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

A sixth aspect of the embodiments of the present invention discloses a method for transmitting system information, including: receiving, by a user equipment, system information of the first base station that is sent by a first base station on a frequency point of the first base station;

The user equipment accesses the first base station according to the system information of the first base station; the user equipment sends an identifier of the coverage base station that covers the user equipment to the first base station, and the user equipment The access capability information, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, and the target frequency band is different from a frequency band in which the frequency point of the first base station is located, so that the first Determining, by the base station, a target base station whose frequency point is located in the target frequency band, and transmitting, by the base station, system information of the target base station to the user equipment, where the user equipment receives the first System information of the target base station sent by the base station; the user equipment selects system information of one of the target base stations in the system information of the target base station as system information of the second base station, and uses system information of the second base station as According to accessing the second base station.

In a first possible implementation manner of the sixth aspect of the embodiment, the first base station is high. When the frequency base station is used, the second base station is a low frequency base station or a high frequency and low frequency hybrid base station; or

With reference to the sixth aspect of the embodiments of the present invention or the first possible implementation manner of the sixth aspect of the embodiments of the present invention, in a second possible implementation manner of the sixth aspect of the embodiments of the present disclosure, a main information block for broadcasting status information of a base station that transmits the system information, and a system information block for broadcasting the user equipment to access the system information for transmitting the system information. The access information required by the base station.

In the embodiment of the present invention, the first base station sends the system information of the first base station to the user equipment at the frequency of the first base station, to trigger the user equipment to access the first base station based on the system information of the first base station, and then receive the user. The identifier of the coverage base station of the user equipment and the access capability information of the user equipment, where the access capability information is used to indicate the target frequency band that the user equipment is allowed to access, and the target frequency band is different from the frequency of the first base station. The first base station determines, according to the target frequency band, the target base station whose frequency point is located in the target frequency band from the coverage base station and transmits the system information of the target base station to the user equipment, to trigger the user equipment to select one of the system information of the target base station. The system information of the target base station is used as the system information of the second base station, and is accessed by the second base station based on the system information of the second base station. The embodiment of the present invention can enable the system information of the first base station to be cyclically transmitted, and the system information of the second base station is sent as needed, reducing the load of the broadcast channel, and the user equipment does not need to search for two base stations at the same time, thereby reducing the work of the user equipment. Consumption. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic structural diagram of a base station according to an embodiment of the present invention;

2 is a schematic structural diagram of another base station according to an embodiment of the present invention; 3 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;

4 is a schematic structural diagram of another user equipment according to an embodiment of the present invention;

FIG. 5 is a schematic flowchart of a method for transmitting system information according to an embodiment of the present invention; FIG. 6 is a schematic flowchart of another method for transmitting system information according to an embodiment of the present invention; FIG. 8 is a schematic flowchart of another method for transmitting system information according to an embodiment of the present invention; FIG. 9 is a schematic diagram of another method for transmitting system information according to an embodiment of the present invention; FIG. 10 is a schematic flowchart of still another system information transmission method according to an embodiment of the present invention; FIG. 11 is a schematic structural diagram of system information disclosed in an embodiment of the present invention. detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without the creative work are all within the scope of the present invention.

The embodiment of the present invention discloses a method for transmitting system information, a base station, and a user equipment. The embodiment of the present invention can enable system information of the first base station to be cyclically transmitted, and system information of the second base station is sent as needed, and the broadcast channel is reduced. The load, and the user equipment does not need to search for two base stations at the same time, which reduces the power consumption of the user equipment. The details are described below separately.

Referring to FIG. 1, FIG. 1 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 1, the base station 100 can include a sending module 101, a receiving module 102, and a determining module 103, where: the sending module 101 is configured to send system information of the base station 100 to the user equipment at the frequency of the base station 100.

In the embodiment of the present invention, the sending module 101 sends the system information of the base station 100 to the user equipment to trigger the user equipment to access the base station 100 based on the system information of the base station 100, that is, the network provided by the access base station 100 (high frequency network or low frequency network) ).

In the embodiment of the present invention, the structure of the system information includes a main information block for broadcasting the status information of the base station 100, and a plurality of system information blocks, where the system information block is used for the broadcast user equipment to access the base station 100. The information of the system information in the embodiment of the present invention may be as shown in FIG. 11 Show.

The receiving module 102 is configured to receive an identifier of the coverage base station of the user equipment and the access capability information of the user equipment, which are sent by the user equipment.

In the embodiment of the present invention, after the user equipment accesses the base station 100, the user equipment sends an identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment. Optionally, the coverage base station of the coverage user equipment may include a high frequency base station. The low frequency base station and the high and low frequency hybrid base station, optionally, the access capability information may be used to indicate a target frequency band (such as a high frequency band or a low frequency band) that the user equipment is allowed to access. Optionally, the target frequency band may be different from the base station 100. For the frequency band in which the frequency point is located, for example, if the frequency of the base station 100 is in the low frequency band, the target frequency band may be a high frequency band allowed by the user equipment; if the frequency of the base station 100 is in the high frequency band, the target frequency band It may be a low frequency band that the user equipment is allowed to access.

The determining module 103 is configured to determine, from the coverage base station, a target base station whose frequency point is located in the target frequency band based on the target frequency band.

The sending module 101 is further configured to send system information of the target base station to the user equipment.

In the embodiment of the present invention, the base station 100 may pre-store the system information of the target base station and send the stored system information of the target base station to the user equipment, and the base station 100 may first acquire the system information of the target base station from the target base station, and then The system information of the target base station is sent to the user equipment, which is not limited in the embodiment of the present invention.

In the embodiment of the present invention, the base station 100 sends the system information of the target base station to the user equipment, so that the user equipment selects the system information of one of the target base stations in the system information of the target base station as the system information of the target access base station and accesses the base station as the target. The system information is accessed to the base station according to the access target.

In the embodiment of the present invention, if the base station 100 is a high-frequency base station, the target access base station is a low-frequency base station or a high-low frequency hybrid base station, and if the target access base station is a high-low frequency hybrid base station, the user equipment accessing the target access base station is The user equipment accesses the low-frequency network of the high-low frequency hybrid base station; if the base station 100 is a low-frequency base station, the target access base station is a high-frequency base station or a high-low frequency hybrid base station, and if the target access base station is a high-low frequency hybrid base station, the user equipment accesses The target access base station is a high frequency network in which the user equipment accesses the high and low frequency hybrid base station; if the base station 100 is a high and low frequency hybrid base station, and the user equipment accesses the high frequency network of the high and low frequency hybrid base station, the target access base station may be The low-frequency base station may also be a high-low frequency hybrid base station (base station 100 or other high-low frequency hybrid base station). If the target access base station is a high-low frequency hybrid base station, the user equipment is connected. The target access base station is a low frequency network in which the user equipment accesses the high and low frequency hybrid base station; if the base station 100 is a high and low frequency hybrid base station, and the user equipment accesses the low frequency network of the high and low frequency hybrid base station, the target access base station may be high. The frequency base station may also be a high-low frequency hybrid base station (base station 100 or other high-low frequency hybrid base station). If the target access base station is a high-low frequency hybrid base station, the user equipment accesses the target access base station, that is, the user equipment accesses the high-low frequency hybrid. The high frequency network of the base station.

As an optional implementation, before the sending module 101 sends the system information of the target base station to the user equipment, the sending module 101 may further be configured to send, to the target base station, a request message for requesting the target base station to send system information.

The receiving module 102 can also be configured to receive system information sent by the target base station.

As another optional implementation manner, the base station 100 stores the system information of the target base station, and the receiving module 102 is further configured to receive the updated system information sent by the target base station.

The sending module 101 is further configured to send, to the target base station, a feedback message for feeding back whether the base station 100 receives the updated system information.

In the embodiment of the present invention, if the feedback message is used to feedback that the base station 100 has not received the updated system information, the target base station continues to send the updated system information to the base station 100.

In the embodiment of the present invention, the system information of the base station is cyclically transmitted, and the system information of the target accessing base station may be sent by the base station to the user equipment according to the requirements of the user equipment, which reduces the load of the broadcast channel, and the user equipment does not need to search for the target access base station. , reducing the power consumption of the user equipment. Referring to FIG. 2, FIG. 2 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 2, the base station 200 can include a memory 201 and a processor 202. The memory 201 stores a set of program codes, and the processor 202 is configured to call program codes stored in the memory 201 for performing the following operations:

The system information of the base station 200 is sent to the user equipment at the frequency of the base station 200 to trigger the user equipment to access the base station 200 based on the system information of the base station 200;

And receiving, by the user equipment, an identifier of the coverage base station of the user equipment and the access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, where the target frequency band is different from the frequency point of the base station 200. Frequency band

Determining, from the coverage base station, a target base station whose frequency point is located in the target frequency band, based on the target frequency band; Sending system information of the target base station to the user equipment, to trigger the user equipment to select system information of one of the target base stations in the system information of the target base station as the system information of the target access base station, and based on the system information of the target access base station Into the target access base station.

In one embodiment, before the processor 202 transmits the system information of the target base station to the user equipment, the processor 202 calls the program code stored in the memory 201 to perform the following operations:

Sending a request message for requesting the target base station to send system information to the target base station, to trigger the target base station to respond to the request message;

Receive system information sent by the target base station.

In one embodiment, the base station 200 stores system information of the target base station, and the processor 202 calls the program code stored in the memory 201 to perform the following operations:

Receiving updated system information sent by the target base station;

A feedback message for reporting whether the base station 200 has received the updated system information is transmitted to the target base station.

In an embodiment, when the base station 200 is a high frequency base station, the target access base station is a low frequency base station or a high frequency and low frequency hybrid base station; or when the base station 200 is a low frequency base station, the target access base station is a high frequency base station or a high frequency and low frequency hybrid base station; or When the base station 200 is a high-low frequency hybrid base station, the target access base station is any one of a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station.

In an embodiment, the structure of the system information includes a main information block for broadcasting status information of the base station transmitting the system information, and a plurality of system information blocks for broadcasting the user equipment to access the transmission system information. Access information required by the base station.

In the embodiment of the present invention, the system information of the base station is cyclically transmitted, and the system information of the target accessing base station may be sent by the base station to the user equipment according to the requirements of the user equipment, which reduces the load of the broadcast channel, and the user equipment does not need to search for the target access base station. , reducing the power consumption of the user equipment. Referring to FIG. 3, FIG. 3 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. As shown in FIG. 3, the user equipment 300 can include a receiving module 301, an access module 302, a sending module 303, and a selecting module 304, where:

The receiving module 301 is configured to receive system information of the first base station that is sent by the first base station on a frequency point of the first base station. In the embodiment of the present invention, the structure of the system information includes a main information block for broadcasting status information of the base station, and a plurality of system information blocks for broadcasting the access required by the user equipment 300 to access the base station. Information, the structure of the system information in the embodiment of the present invention may be as shown in FIG.

The access module 302 is configured to access the first base station based on system information of the first base station.

In the embodiment of the present invention, the user equipment 300 accesses the first base station, that is, the user equipment 300 accesses the network (high frequency network or low frequency network) provided by the first base station.

The sending module 303 is configured to send, to the first base station, an identifier of the coverage base station that covers the user equipment 300 and access capability information of the user equipment 300.

In the embodiment of the present invention, after the user equipment 300 accesses the first base station, the user equipment 300 transmits an identifier of the coverage base station that covers the user equipment 300 and the access capability information of the user equipment 300 to the first base station. Optionally, the coverage base station of the user equipment 300 is covered. The high-frequency base station, the low-frequency base station, and the high-low frequency hybrid base station may be included. Optionally, the access capability information may be used to indicate a target frequency band (such as a high frequency band or a low frequency band) that the user equipment 300 is allowed to access, optionally, the target. The frequency band may be different from the frequency band in which the frequency point of the first base station is located. For example, if the frequency point of the first base station is in the low frequency band, the target frequency band may be a high frequency band allowed to be accessed by the user equipment 300; The frequency point is located in the high frequency band, and the target frequency band may be the low frequency band allowed by the user equipment 300.

In the embodiment of the present invention, the user equipment 300 sends an identifier of the coverage base station that covers the user equipment 300 and the access capability information of the user equipment 300 to the first base station, so that the first base station receives coverage from the target frequency band in the access capability information. The base station determines the target base station whose frequency point is located in the target frequency band and transmits the system information of the target base station to the user equipment 300. Optionally, the first base station may pre-store the system information of the target base station and send the stored system information of the target base station. To the user equipment 300, the first base station may also obtain the system information of the target base station from the target base station, and then send the system information of the target base station to the user equipment 300, which is not limited in the embodiment of the present invention.

The receiving module 301 is further configured to receive system information of the target base station sent by the first base station.

The selecting module 304 is configured to select system information of one of the target base stations in the system information of the target base station as system information of the second base station.

The access module 302 is further configured to access the second base station based on system information of the second base station.

In the embodiment of the present invention, if the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station, and if the second base station is a high-low frequency hybrid base station, the user equipment 300 accesses the second base station. The user equipment 300 is connected to the low-frequency network of the high-low frequency hybrid base station; if the first base station is a low-frequency base station, the second base station is a high-frequency base station or a high-low frequency hybrid base station, and if the second base station is a high-low frequency hybrid base station, the user equipment 300 Accessing the second base station is a high-frequency network in which the user equipment 300 is connected to the high-low frequency hybrid base station; if the first base station is a high-low frequency hybrid base station, and the user equipment 300 is connected to the high-frequency network of the high-low frequency hybrid base station, the second The base station may be a low-frequency base station, or may be a high-low frequency hybrid base station (a first base station or other high-low frequency hybrid base station). If the second base station is a high-low frequency hybrid base station, the user equipment 300 accesses the second base station, that is, the user equipment 300 is connected. The low frequency network of the high and low frequency hybrid base station; if the first base station is a high and low frequency hybrid base station, and the user equipment 300 accesses the low frequency network of the high and low frequency hybrid base station, the second base station may be a high frequency base station, or may be a high frequency mixing a base station (a first base station or other high and low frequency hybrid base station;), if the second base station is a high and low frequency hybrid base station, the user equipment 300 accesses the second base station Frequency network user equipment 300 access the high frequency hybrid base station.

In the embodiment of the present invention, the user equipment does not need to search for the first base station and the second base station at the same time, the power consumption of the user equipment is reduced, and the system information of the first base station is cyclically transmitted, and the system information of the second base station is required according to the requirements of the user equipment. The first base station transmits, reducing the load of the broadcast channel. Referring to FIG. 4, FIG. 4 is a schematic structural diagram of another user equipment according to an embodiment of the present invention. As shown in FIG. 4, the user equipment 400 can include a memory 401 and a processor 402, wherein a set of program codes is stored in the memory 401, and the processor 402 is configured to call program code stored in the memory 401 for performing the following operations. :

Receiving system information of the first base station that is sent by the first base station on a frequency point of the first base station;

Accessing the first base station based on system information of the first base station;

Sending, to the first base station, an identifier of the coverage base station that covers the user equipment 400 and access capability information of the user equipment 400, where the access capability information is used to indicate a target frequency band that the user equipment 400 is allowed to access, and the target frequency band is different from the frequency of the first base station. The frequency band in which the point is located, so that the first base station determines, from the coverage base station, the target base station whose frequency point is located in the target frequency band based on the target frequency band and transmits the system information of the target base station to the user equipment 400;

Selecting system information of one of the target base stations in the system information of the target base station as system information of the second base station and accessing the second base station based on system information of the second base station. In an embodiment, when the first base station is a high frequency base station, the second base station is a low frequency base station or a high frequency and low frequency hybrid base station; or when the first base station is a low frequency base station, the second base station is a high frequency base station or a high and low frequency hybrid base station; or When the first base station is a high-low frequency hybrid base station, the second base station is any one of a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station.

In one embodiment, the structure of the system information includes a master information block for broadcasting status information of a base station transmitting system information, and a plurality of system information blocks for broadcasting the user equipment 400 to access the transmission system. Access information required by the base station of the information.

In the embodiment of the present invention, the user equipment does not need to search for the first base station and the second base station at the same time, the power consumption of the user equipment is reduced, and the system information of the first base station is cyclically transmitted, and the system information of the second base station is required according to the requirements of the user equipment. The first base station transmits, reducing the load of the broadcast channel. Referring to FIG. 5, FIG. 5 is a schematic flowchart of a method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 5 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 5, the method for transmitting system information may include the following steps:

S501. The first base station sends system information of the first base station to the user equipment at a frequency of the first base station.

In the embodiment of the present invention, the system information of the first base station is used to trigger the user equipment to access the first base station based on the system information of the first base station, that is, access the network (high frequency network or low frequency network) provided by the first base station.

In the embodiment of the present invention, the structure of the system information includes a main information block for broadcasting status information of the base station, and a plurality of system information blocks, where the system information block is used for broadcasting access information required for the user equipment to access the base station. The structure of the system information in the embodiment of the present invention can be as shown in FIG. 11. FIG. 11 is a schematic structural diagram of system information disclosed in the embodiment of the present invention. As shown in FIG. 11, the system information includes an MIB (Master Information Block). , Master Information Block ) and 12 SIBs (System Information Blocks), where the MIB is carried on the BCCH (Broadcast Control Channel) → BCH (Broadcast Channel, Broadcast Channel) → PBCH (Physical Broadcast Channel, Physical Broadcast Channel), and the MIB includes a limited number of the most important and most commonly used transmission parameters (such as system bandwidth, system frame number, and configuration information of the physical hybrid automatic repeat indication channel) for reading other cell information, SIB. In addition to SIB1, SIB2 ~ SIB12 are SI (System Information) bearer, SIB 1 is the most important system information except the MIB in the system information, and it carries the scheduling information of SIB2 ~ SIB 12 and related information of other cell access.

S502. The first base station receives an identifier of the coverage base station of the user equipment and the access capability information of the user equipment that are sent by the user equipment.

In the embodiment of the present invention, after the user equipment accesses the first base station, the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment are sent to the first base station. Optionally, the coverage base station covering the user equipment may include a high frequency. The base station, the low-frequency base station, and the high-low frequency hybrid base station, optionally, the access capability information may be used to indicate a target frequency band (such as a high frequency band or a low frequency band) that the user equipment is allowed to access. Optionally, the target frequency band may be different from the first The frequency band in which the frequency of a base station is located. For example, if the frequency of the first base station is in the low frequency band, the target frequency band may be a high frequency band allowed by the user equipment; if the frequency of the first base station is at a high frequency In the frequency band, the target frequency band may be a low frequency band that the user equipment is allowed to access.

S503. The first base station determines, according to the target frequency band, a target base station whose frequency point is located in the target frequency band from the coverage base station.

S504. The first base station sends system information of the target base station to the user equipment.

In the embodiment of the present invention, the first base station may pre-store system information of the target base station and send the stored system information of the target base station to the user equipment, and the first base station may first acquire system information of the target base station from the target base station, and then The system information of the target base station is sent to the user equipment, which is not limited in the embodiment of the present invention.

In the embodiment of the present invention, the first base station sends the system information of the target base station to the user equipment, so that the user equipment selects the system information of one of the target base stations in the system information of the target base station as the system information of the second base station, and the second base station The system information is used to access the second base station.

In the embodiment of the present invention, if the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station. If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment. Accessing the low-frequency network of the high-low frequency hybrid base station; if the first base station is a low-frequency base station, the second base station is a high-frequency base station or a high-low frequency hybrid base station, and if the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station That is, the user equipment accesses the high frequency network of the high and low frequency hybrid base station; if the first base station is a high and low frequency hybrid base station, and the user equipment accesses the high frequency network of the high and low frequency hybrid base station, the second base station may It is a low-frequency base station, and may also be a high-low frequency hybrid base station (a first base station or other high-low frequency hybrid base station). If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment accesses the high and low frequency hybrid. The low frequency network of the base station; if the first base station is a high and low frequency hybrid base station, and the user equipment accesses the low frequency network of the high and low frequency hybrid base station, the second base station may be a high frequency base station or a high frequency and low frequency hybrid base station (the first base station) Or other high and low frequency hybrid base stations, if the second base station is a high and low frequency hybrid base station, the user equipment accesses the second base station, that is, the high frequency network of the user equipment accessing the high and low frequency hybrid base station.

In the embodiment of the present invention, the first base station sends the system information of the first base station to the user equipment at the frequency of the first base station, to trigger the user equipment to access the first base station based on the system information of the first base station, and then receive the user. The identifier of the coverage base station of the user equipment and the access capability information of the user equipment, where the access capability information is used to indicate the target frequency band that the user equipment is allowed to access, and the target frequency band is different from the frequency of the first base station. The first base station determines, according to the target frequency band, the target base station whose frequency point is located in the target frequency band from the coverage base station and transmits the system information of the target base station to the user equipment, to trigger the user equipment to select one of the system information of the target base station. The system information of the target base station is used as the system information of the second base station, and is accessed by the second base station based on the system information of the second base station. The embodiment of the present invention can enable the system information of the first base station to be cyclically transmitted, and the system information of the second base station is sent as needed, reducing the load of the broadcast channel, and the user equipment does not need to search for two base stations at the same time, thereby reducing the work of the user equipment. It consumes and guarantees the user equipment's demand for the communication system. Referring to FIG. 6, FIG. 6 is a schematic flowchart of another method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 6 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 6, the method for transmitting system information may include the following steps:

S601. The first base station sends system information of the first base station to the user equipment at a frequency of the first base station.

In the embodiment of the present invention, the structure of the system information includes a main information block for broadcasting status information of the base station, and a plurality of system information blocks, where the system information block is used for broadcasting access information required for the user equipment to access the base station. The structure of the system information in the embodiment of the present invention may be as shown in FIG. The first base station receives the identifier of the coverage base station of the user equipment and the access capability information of the user equipment that are sent by the user equipment.

S603. The first base station determines, according to the target frequency band, a target base station whose frequency point is located in the target frequency band from the coverage base station.

5604. The first base station sends a request message for requesting the target base station to send system information to the target base station.

In the embodiment of the present invention, after receiving the request message, the target base station sends the system information of the target base station to the first base station.

S605. The first base station receives system information sent by the target base station.

S606. The first base station sends system information of the target base station to the user equipment.

In the embodiment of the present invention, if the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station. If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment. Accessing the low-frequency network of the high-low frequency hybrid base station; if the first base station is a low-frequency base station, the second base station is a high-frequency base station or a high-low frequency hybrid base station, and if the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station That is, the user equipment accesses the high frequency network of the high and low frequency hybrid base station; if the first base station is a high and low frequency hybrid base station, and the user equipment accesses the high frequency network of the high and low frequency hybrid base station, the second base station may be a low frequency base station, The high-low frequency hybrid base station (the first base station or other high-low frequency hybrid base station) may be used. If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment access is high. The low frequency network of the low frequency hybrid base station; if the first base station is a high frequency and low frequency hybrid base station, and the user equipment accesses the low frequency network of the high and low frequency hybrid base station, the second base station may be a high frequency base station or a high and low frequency hybrid base station (first A base station or other high and low frequency hybrid base station, if the second base station is a high and low frequency hybrid base station, the user equipment accesses the second base station, that is, the high frequency network of the user equipment accessing the high and low frequency hybrid base station.

In the embodiment of the present invention, the system information of the first base station is cyclically transmitted, the system information of the second base station is sent as needed, the load of the broadcast channel is reduced, and the system information of the second base station can be used by the first base station by real-time communication between the base stations. The user equipment does not need to search for the second base station, which reduces the power consumption of the user equipment and ensures the user equipment's demand for the communication system. Referring to FIG. 7, FIG. 7 is a schematic flowchart of still another method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 7 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 7, the method for transmitting system information may include the following steps:

S701. The first base station sends system information of the first base station to the user equipment at a frequency of the first base station.

In the embodiment of the present invention, the structure of the system information includes a main information block for broadcasting status information of the base station, and a plurality of system information blocks, where the system information block is used for broadcasting access information required for the user equipment to access the base station. The structure of the system information in the embodiment of the present invention may be as shown in FIG.

S702. The first base station receives an identifier of the coverage base station of the user equipment and the access capability information of the user equipment that are sent by the user equipment.

In the embodiment of the present invention, after the user equipment accesses the first base station, the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment are sent to the first base station. Optionally, the coverage base station covering the user equipment may include a high frequency. The base station, the low-frequency base station, and the high-low frequency hybrid base station, optionally, the access capability information may be used to indicate a target frequency band (such as a high frequency band or a low frequency band) that the user equipment is allowed to access. Optionally, the target frequency band may be different from the first The frequency band in which the frequency of a base station is located. For example, if the frequency of the first base station is in the low frequency band, the target frequency band may be a high frequency band allowed by the user equipment; if the frequency of the first base station is at a high frequency In the frequency band, the target frequency band can be allowed by the user equipment. Low frequency band.

S703. The first base station determines, according to the target frequency band, a target base station whose frequency point is located in the target frequency band from the coverage base station.

S704. The first base station sends system information of the target base station to the user equipment.

In the embodiment of the present invention, the first base station may store system information of the target base station.

S705: The first base station receives the updated system information sent by the target base station.

S706. The first base station sends, to the target base station, a feedback message for feeding back whether the first base station receives the updated system information.

In the embodiment of the present invention, if the feedback message is used to feedback that the first base station does not receive the updated system information, the target base station continues to send the updated system information to the first base station.

In the embodiment of the present invention, the system information of the first base station is cyclically transmitted, and the first base station stores the system information of the second base station, and the system information of the second base station may be sent by the first base station to the user equipment according to the requirements of the user equipment, which is reduced. The load of the broadcast channel, when the system information of the second base station is updated, the system information of the second base station stored by the first base station can also be updated in time to ensure the reliability of the communication system, and the user equipment does not need to search for the second base station, thereby reducing The power consumption of the user equipment. Referring to FIG. 8, FIG. 8 is a schematic flowchart of still another method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 8 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 8, the method for transmitting system information may include the following steps:

S801. The user equipment receives system information of the first base station that is sent by the first base station at a frequency of the first base station.

S802. The user equipment accesses the first base station according to system information of the first base station.

In the embodiment of the present invention, the user equipment accesses the first base station, that is, the user equipment accesses the first base station. Network (high frequency network or frequency network).

S803: The user equipment sends, to the first base station, an identifier of the coverage base station that covers the user equipment and access capability information of the user equipment.

In the embodiment of the present invention, the user equipment sends the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment to the first base station, so that the first base station determines from the coverage base station based on the target frequency band in the access capability information. The target base station of the target frequency band is sent to the user equipment and the system information of the target base station is sent to the user equipment. Optionally, the first base station may pre-store the system information of the target base station and send the stored system information of the target base station to the user equipment. The first base station may also obtain the system information of the target base station from the target base station, and then send the system information of the target base station to the user equipment, which is not limited in the embodiment of the present invention.

S804. The user equipment receives system information of the target base station sent by the first base station.

S805. The user equipment selects system information of one of the target base stations in the system information of the target base station as system information of the second base station, and accesses the second base station according to system information of the second base station.

In the embodiment of the present invention, the user equipment does not need to search for the first base station and the second base station at the same time, the power consumption of the user equipment is reduced, and the system information of the first base station is cyclically transmitted, and the system information of the second base station is required according to the requirements of the user equipment. The first base station transmits, reducing the load of the broadcast channel. Referring to FIG. 9, FIG. 9 is a schematic flowchart of still another method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 9 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 9, the method for transmitting system information may include the following steps:

S901. The first base station sends system information of the first base station to the user equipment at a frequency of the first base station.

S902. The user equipment receives system information of the first base station sent by the first base station.

S903. The user equipment accesses the first base station according to system information of the first base station.

S904. The user equipment sends, to the first base station, an identifier of the coverage base station that covers the user equipment and access capability information of the user equipment.

In the embodiment of the present invention, after the user equipment accesses the first base station, the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment are sent to the first base station. Optionally, the coverage base station covering the user equipment may include a high frequency. The base station, the low frequency base station, and the high and low frequency hybrid base station, optionally, the access capability information may be used to indicate a target frequency band (such as a high frequency band or a low frequency band) that the user equipment is allowed to access. Optionally, the target frequency band may be different from the first frequency band. The frequency band in which the frequency of a base station is located. For example, if the frequency of the first base station is in the low frequency band, the target frequency band may be a high frequency frequency that the user equipment is allowed to access. If the frequency of the first base station is in the high frequency band, the target frequency band may be a low frequency band that the user equipment is allowed to access.

In the embodiment of the present invention, the user equipment sends the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment to the first base station, so that the first base station determines from the coverage base station based on the target frequency band in the access capability information. The out-frequency point is located in the target base station of the target frequency band and transmits the system information of the target base station to the user equipment.

The first base station receives the identifier of the coverage base station of the user equipment and the access capability information of the user equipment that are sent by the user equipment.

S906. The first base station determines, according to the target frequency band, a target base station whose frequency point is located in the target frequency band from the coverage base station.

S907. The first base station sends system information of the target base station to the user equipment.

S908: The user equipment receives system information of the target base station sent by the first base station.

5909. The user equipment selects system information of one of the target base stations in the system information of the target base station as system information of the second base station, and accesses the second base station according to system information of the second base station.

In the embodiment of the present invention, if the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station. If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment. Accessing the low-frequency network of the high-low frequency hybrid base station; if the first base station is a low-frequency base station, the second base station is a high-frequency base station or a high-low frequency hybrid base station, and if the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station That is, the user equipment accesses the high frequency network of the high and low frequency hybrid base station; if the first base station is a high and low frequency hybrid base station, and the user equipment accesses the high frequency network of the high and low frequency hybrid base station, the second base station may be a low frequency base station, The high-low frequency hybrid base station (the first base station or other high and low frequency hybrid base station) may be used. If the second base station is a high and low frequency hybrid base station, the user equipment accesses the second base station, that is, the low frequency network of the user equipment accessing the high and low frequency hybrid base station; If the first base station is a high-low frequency hybrid base station, and the user equipment accesses the low-frequency network of the high-low frequency hybrid base station, the second base station may be a high-frequency base station. It may also be a high-low frequency hybrid base station (a first base station or other high-low frequency hybrid base station), and if the second base station is a high-low frequency hybrid base station, The user equipment accesses the second base station, that is, the high frequency network of the user equipment accessing the high and low frequency hybrid base station.

5910. The target base station sends the updated system information of the target base station to the first base station.

5911. The first base station receives the updated system information sent by the target base station.

5912. The first base station sends, to the target base station, a feedback message for feeding back whether the first base station receives the updated system information.

In the embodiment of the present invention, the system information of the first base station is cyclically transmitted, and the first base station stores the system information of the second base station, and the system information of the second base station may be sent by the first base station to the user equipment according to the requirements of the user equipment, which is reduced. The load of the broadcast channel, when the system information of the second base station is updated, the system information of the second base station stored by the first base station can also be updated in time to ensure the reliability of the communication system, and the user equipment does not need to search for the second base station, thereby reducing The power consumption of the user equipment. Referring to FIG. 10, FIG. 10 is a schematic flowchart of still another method for transmitting system information according to an embodiment of the present invention. The method shown in FIG. 10 can be applied to the architecture of the high-low frequency cooperative networking system, which is not limited in the embodiment of the present invention. As shown in FIG. 10, the method for transmitting system information may include the following steps:

S 1001. The first base station sends system information of the first base station to the user equipment at a frequency of the first base station.

S1002: The user equipment receives system information of the first base station that is sent by the first base station.

S1003. The user equipment accesses the first base station according to system information of the first base station.

S1004. The user equipment sends, to the first base station, an identifier of the coverage base station that covers the user equipment and access capability information of the user equipment.

In the embodiment of the present invention, after the user equipment accesses the first base station, the user equipment is sent to the first base station to cover the user equipment. The coverage of the base station and the access capability information of the user equipment. Optionally, the coverage base station covering the user equipment may include a high frequency base station, a low frequency base station, and a high and low frequency hybrid base station. Optionally, the access capability information may be used to indicate The target frequency band (such as the high frequency band or the low frequency band) that the user equipment is allowed to access. Optionally, the target frequency band may be different from the frequency band where the frequency of the first base station is located. For example, if the frequency of the first base station is located In the low frequency band, the target frequency band may be a high frequency band that the user equipment is allowed to access; if the frequency of the first base station is in the high frequency band, the target frequency band may be a low frequency band that the user equipment is allowed to access.

The first base station receives the identifier of the coverage base station that covers the user equipment and the access capability information of the user equipment that is sent by the user equipment.

51006. The first base station determines, from the coverage base station, a target base station whose frequency point is located in the target frequency band, based on the target frequency band.

51007. The first base station sends a request message for requesting the target base station to send system information to the target base station.

51008. The target base station receives the request message sent by the first base station. .

51009. The target base station sends system information of the target base station to the first base station.

51010. The first base station receives system information sent by the target base station.

S 1011. The first base station sends system information of the target base station to the user equipment.

S1012: The user equipment receives system information of the target base station sent by the first base station.

S1013. The user equipment selects system information of one of the target base stations in the system information of the target base station as system information of the second base station, and accesses the second base station according to system information of the second base station.

In the embodiment of the present invention, if the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station. If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the user equipment. Accessing the low frequency network of the high and low frequency hybrid base station; if the first base station is a low frequency base station, the second base station For a high-frequency base station or a high-low frequency hybrid base station, if the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station, that is, the high-frequency network of the user equipment accessing the high-low frequency hybrid base station; If the base station is hybridized, and the user equipment accesses the high frequency network of the high and low frequency hybrid base station, the second base station may be a low frequency base station, or may be a high and low frequency hybrid base station (a first base station or other high and low frequency hybrid base station), if the second base station For the high and low frequency hybrid base station, the user equipment accesses the second base station, that is, the low frequency network of the user equipment accessing the high and low frequency hybrid base station; if the first base station is a high and low frequency hybrid base station, and the user equipment accesses the low frequency of the high and low frequency hybrid base station The second base station may be a high-frequency base station or a high-low frequency hybrid base station (a first base station or other high-low frequency hybrid base station). If the second base station is a high-low frequency hybrid base station, the user equipment accesses the second base station. The high frequency network of the high and low frequency hybrid base station is connected to the user equipment.

In the embodiment of the present invention, the system information of the first base station is cyclically transmitted, the system information of the second base station is sent as needed, the load of the broadcast channel is reduced, and the system information of the second base station can be used by the first base station by real-time communication between the base stations. The user equipment does not need to search for the second base station, which reduces the power consumption of the user equipment and ensures the user equipment's demand for the communication system.

It should be noted that, in the foregoing embodiments, the descriptions of the various embodiments are different, and the parts that are not described in detail in an embodiment may refer to related descriptions of other embodiments. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

The steps in the method of the embodiment of the present invention may be sequentially adjusted, merged, and deleted according to actual needs.

In the embodiment of the present invention, the modules in the base station and the user equipment may be combined, divided, and deleted according to actual needs.

In the embodiment of the present invention, the sending module of the base station may be a wireless transmitting device, and the receiving module of the base station may be a wireless receiving device, and the determining module of the base station may be a controller in the base station. The sending module of the user equipment may be a transmitter, and the access module of the user equipment and the selecting module may be controllers of the user equipment, which are not limited in the embodiment of the present invention.

The module in the embodiment of the present invention may be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit), or an ASIC (Application Specific Integrated Circuit). A person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. When executed, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

The foregoing description of the method for transmitting system information and the base station and the user equipment provided by the embodiments of the present invention are only used to help understand the method and core idea of the present invention. Meanwhile, for those skilled in the art. The present invention is not limited by the scope of the present invention.

Claims

Rights request

1. A base station, characterized by including:

A sending module, configured to send the system information of the base station to the user equipment on the frequency point of the base station, so as to trigger the user equipment to access the base station based on the system information of the base station;

A receiving module, configured to receive the identification of the coverage base station covering the user equipment and the access capability information of the user equipment sent by the user equipment, where the access capability information is used to indicate that the user equipment is allowed to access. Target frequency band, the target frequency band is different from the frequency band in which the frequency point of the base station is located; Determination module is used to determine the target base station whose frequency point is located in the target frequency band from the covering base stations based on the target frequency band. ;

The sending module is further configured to send the system information of the target base station to the user equipment to trigger the user equipment to select the system information of one of the target base stations as the target access base station. system information of the target access base station, and access the target access base station based on the system information of the target access base station.

2. The base station according to claim 1, characterized in that, the sending module is further configured to send a request message to the target base station for requesting the target base station to send system information, so as to trigger the target base station to respond. The request message;

The receiving module is also used to receive system information sent by the target base station.

3. The base station according to claim 1, wherein the base station stores system information of the target base station;

The receiving module is also used to receive the updated system information sent by the target base station; the sending module is also used to send feedback to the target base station whether the base station has completed receiving the updated system information. Feedback message for information.

4. The base station according to any one of claims 1 to 3, characterized in that, when the base station is a high-frequency base station, the target access base station is a low-frequency base station or a high-low frequency hybrid base station; or

When the base station is a low-frequency base station, the target access base station is a high-frequency base station or a high-low frequency hybrid base station or When the base station is a high-frequency and low-frequency hybrid base station, the target access base station is any one of a high-frequency base station, a low-frequency base station, and a high-low frequency hybrid base station.

5. The base station according to any one of claims 1 to 4, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, and the main information block is used to broadcast and transmit the system The system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

6. A base station including a memory and a processor, characterized in that a set of program codes is stored in the memory, and the processor is used to call the program code stored in the memory to perform the following operations:

Send the system information of the base station to the user equipment on the frequency point of the base station to trigger the user equipment to access the base station based on the system information of the base station;

receiving the identification of the coverage base station covering the user equipment and the access capability information of the user equipment sent by the user equipment, where the access capability information is used to indicate the target frequency band that the user equipment is allowed to access, The target frequency band is different from the frequency band in which the frequency point of the base station is located;

Based on the target frequency band, determine a target base station whose frequency point is located in the target frequency band from the covering base stations;

Send the system information of the target base station to the user equipment to trigger the user equipment to select one of the system information of the target base station as the system information of the target access base station, and use the system information of the target base station as the system information of the target base station. The system information of the target access base station is used to access the target access base station.

7. The base station according to claim 6, characterized in that, before the processor sends the system information of the target base station to the user equipment, the processor calls the program code stored in the memory and also executes the following: operate:

Send a request message to the target base station for requesting the target base station to send system information to trigger the target base station to respond to the request message;

Receive system information sent by the target base station.

8. The base station according to claim 6, wherein the base station stores system information of the target base station;

The processor calls the program code stored in the memory and also performs the following operations: receiving updated system information sent by the target base station;

Send a feedback message to the target base station for feedback on whether the base station has completed receiving the updated system information.

9. The base station according to any one of claims 6 to 8, characterized in that when the base station is a high-frequency base station, the target access base station is a low-frequency base station or a high-low frequency hybrid base station; or

When the base station is a low-frequency base station, the target access base station is a high-frequency base station or a high- and low-frequency hybrid base station or

When the base station is a high- and low-frequency hybrid base station, the target access base station is any one of a high-frequency base station, a low-frequency base station, and a high- and low-frequency hybrid base station.

10. The base station according to any one of claims 6 to 9, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, and the main information block is used to broadcast and transmit the system The system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

11. A user equipment, characterized by: including:

A receiving module, configured to receive the system information of the first base station sent by the first base station on the frequency point of the first base station;

An access module, configured to access the first base station based on the system information of the first base station; A sending module, configured to send to the first base station the identification of the covering base station covering the user equipment and the Access capability information of the user equipment. The access capability information is used to indicate a target frequency band that the user equipment is allowed to access. The target frequency band is different from the frequency band where the frequency point of the first base station is located, so that the The first base station determines a target base station whose frequency point is located in the target frequency band from the covering base station based on the target frequency band and sends system information of the target base station to the user equipment; The receiving module is also configured to receive the system information of the target base station sent by the first base station;

A selection module, configured to select the system information of one of the target base stations among the system information of the target base station as the system information of the second base station;

The access module is also configured to access the second base station based on the system information of the second base station.

12. The user equipment according to claim 11, wherein when the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station; or

When the first base station is a low-frequency base station, the second base station is a high-frequency base station or a high-low frequency hybrid base station or

When the first base station is a high- and low-frequency hybrid base station, the second base station is any one of a high-frequency base station, a low-frequency base station, and a high- and low-frequency hybrid base station.

13. The user equipment according to claim 11 or 12, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, and the main information block is used to broadcast and send the system information. Status information of the base station, and the system information block is used to broadcast access information required by the user equipment to access the base station that sends the system information.

14. A user equipment, including a memory and a processor, characterized in that a set of program codes is stored in the memory, and the processor is used to call the program code stored in the memory to perform the following operations:

Receive the system information of the first base station sent by the first base station on the frequency point of the first base station; Access the first base station based on the system information of the first base station;

sending to the first base station an identifier of a coverage base station covering the user equipment and access capability information of the user equipment, where the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, The target frequency band is different from the frequency band in which the frequency point of the first base station is located, so that the first base station determines the target base station whose frequency point is located in the target frequency band from the covering base stations based on the target frequency band and Send the system information of the target base station to the user equipment; Receive the system information of the target base station sent by the first base station;

Select the system information of one of the target base stations among the system information of the target base station as the system information of the second base station and access the second base station based on the system information of the second base station.

15. The user equipment according to claim 14, wherein when the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station; or

16. The user equipment according to claim 14 or 15, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, the main information block is used to broadcast and send the system information. Status information of the base station, and the system information block is used to broadcast access information required by the user equipment to access the base station that sends the system information.

17. A system information transmission method, characterized by including:

The first base station sends the system information of the first base station to the user equipment on the frequency point of the first base station to trigger the user equipment to access the first base station based on the system information of the first base station. ;

The first base station receives the identification of the coverage base station covering the user equipment and the access capability information of the user equipment sent by the user equipment. The access capability information is used to indicate that the user equipment is allowed to access. Target frequency band, the target frequency band is different from the frequency band in which the frequency point of the first base station is located;

The first base station determines the target base station whose frequency point is located in the target frequency band from the covering base stations based on the target frequency band;

The first base station sends the system information of the target base station to the user equipment to trigger the user equipment to select the system information of one of the target base stations in the system information of the target base station as the system information of the second base station, and access the second base station based on the system information of the second base station.

18. The method according to claim 17, characterized in that, before the first base station sends the system information of the target base station to the user equipment, the method further includes:

The first base station sends a request message to the target base station for requesting the target base station to send system information to trigger the target base station to respond to the request message;

The first base station receives the system information sent by the target base station.

19. The method according to claim 17, characterized in that the first base station stores system information of the target base station;

The method also includes:

The first base station receives updated system information sent by the target base station;

The first base station sends a feedback message to the target base station for feeding back whether the first base station has completed receiving the updated system information.

20. The method according to any one of claims 17 to 19, wherein when the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station; or

21. The method according to any one of claims 17 to 20, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, and the main information block is used to broadcast and transmit the system The system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.

22. A system information transmission method, characterized by including:

The user equipment receives the signal of the first base station sent by the first base station on the frequency point of the first base station. system message;

The user equipment accesses the first base station based on the system information of the first base station; the user equipment sends to the first base station the identification of the covering base station covering the user equipment and the identification number of the user equipment. Access capability information, the access capability information is used to indicate a target frequency band that the user equipment is allowed to access, and the target frequency band is different from the frequency band where the frequency point of the first base station is located, so that the first base station The base station determines a target base station whose frequency point is located in the target frequency band from the covering base stations based on the target frequency band and sends the system information of the target base station to the user equipment; the user equipment receives the first The system information of the target base station sent by the base station; The user equipment selects the system information of one of the target base stations among the system information of the target base station as the system information of the second base station and uses the system information of the second base station as According to accessing the second base station.

23. The method according to claim 22, wherein when the first base station is a high-frequency base station, the second base station is a low-frequency base station or a high-low frequency hybrid base station; or

24. The method according to claim 22 or 23, characterized in that the structure of the system information includes a main information block and a plurality of system information blocks, the main information block is used to broadcast the base station that sends the system information. status information, and the system information block is used to broadcast the access information required by the user equipment to access the base station that sends the system information.